RECTO

Right-hand page of an open book (5)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,596 — 2023-07-14 23:00:14
  20D: Odd-numbered page (5)
• Quick crossword No 15,353 — 2019-07-22 23:00:37
  20A: Right-hand page of an open book (5)